英文别名2-Butynyl p-Toluenesulfonate; 2-Butynyl 4-methylbenzenesulfonate; 2-BUTYNYL 4-TOLUENESULFONATE; 2-BUTYNYL-PARA-TOLUENESULFONATE; 2-BUTYNYL P-TOLUENESULPHONATE; 1-(p-Tosyloxy)-2-butyne; But-2-yn-1-yl 4-Methylbenzenesulfonate; but-2-ynyl 4-methylbenzenesulfonate 
